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NEET Sample Paper NEET Sample Test Paper-36

  • question_answer
    What is the density of\[{{N}_{2}}\]gas at \[\text{227 }\!\!{}^\circ\!\!\text{ C}\] and atm pressure?\[(R=0.0821\,atm\,{{K}^{-1}}\,mo{{l}^{-1}})\]

    A) \[0.29\text{ }g/ml\]    

    B)  1.40g/ml

    C)  2.81 g/ml    

    D)  3.41 g/ml

    Correct Answer: D

    Solution :

     Given \[P=5.00\,atm,R=0.0821\,atm\,{{K}^{-1}}\,mo{{l}^{-1}}\] \[T=227+273=500\,K,\,<{{M}_{{{N}_{2}}}}=28\] Density \[=\frac{PM}{RT}=\frac{5\times 28}{0.0821\times 500}=3.41\,g/ml\]


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